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Recent tests

Result filters: AS numbers or (partial) names: Country codes: Only show non-remediated spoofing
Spoof status key
receivedSpoofed packet was received.Pattern of tests from this IP block indicates a switch from allowing spoofing to blocking it.
rewrittenSpoofed packet was received, but the source address was changed en route.
blockedSpoofed packet was not received, but unspoofed packet was.
unknownNeither spoofed nor unspoofed packet was received.

SessionTimestamp (UTC)Client IP BlockASNCountryNATOutbound
Private
Status
Outbound
Routable
Status
Adj Spoof
Prefix Len
Results
7636572019-10-05 15:59:142601:600:1xx::/4033650 (COMCAST-33650)usa (United States)noblockedblocked/64Report
7636502019-10-05 15:38:172601:600:1xx::/4033650 (COMCAST-33650)usa (United States)noblockedblocked/64Report
7636382019-10-05 15:19:062601:600:1xx::/4033650 (COMCAST-33650)usa (United States)noblockedblocked/64Report
1100612016-12-13 05:26:5624.41.58.x/2433650 (COMCAST-33650)usa (United States)yesblockedblockednoneReport
1100522016-12-13 05:01:1024.41.58.x/2433650 (COMCAST-33650)usa (United States)yesblockedblockednoneReport
1097472016-12-12 19:06:3924.41.58.x/2433650 (COMCAST-33650)usa (United States)yesblockedblockednoneReport
1081892016-12-10 07:06:5224.41.58.x/2433650 (COMCAST-33650)usa (United States)yesblockedblockednoneReport
1073922016-12-09 01:29:2124.41.58.x/2433650 (COMCAST-33650)usa (United States)yesblockedblockednoneReport
1030582016-12-02 00:16:2524.41.58.x/2433650 (COMCAST-33650)usa (United States)yesblockedblockednoneReport
1024762016-12-01 04:35:3924.41.58.x/2433650 (COMCAST-33650)usa (United States)yesblockedblockednoneReport
984392016-11-24 18:16:0124.41.58.x/2433650 (COMCAST-33650)usa (United States)yesblockedblockednoneReport
958192016-11-20 16:39:3124.41.58.x/2433650 (COMCAST-33650)usa (United States)yesblockedblockednoneReport
958062016-11-20 16:14:2324.41.58.x/2433650 (COMCAST-33650)usa (United States)yesblockedblockednoneReport
947062016-11-18 18:30:2524.41.58.x/2433650 (COMCAST-33650)usa (United States)yesblockedblockednoneReport
926082016-11-16 06:09:0824.41.58.x/2433650 (COMCAST-33650)usa (United States)yesblockedblockednoneReport
904722016-11-13 04:34:0624.41.58.x/2433650 (COMCAST-33650)usa (United States)yesblockedblockednoneReport

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